Refuse body



s sheets-sheet 1 W. C. ANTHONY REFUSE BODY Filed Dec. 16, 1944 sept. 24, 1946 Sept 24, 1946- i w. c. ANTHONY 2,408,284

' REFUSE BODY Filed Dec. 1e,- 1944 l:s sheets-sheet 2 65 [nz/enfer' A 'Sept 24, 1946, c. ANTHONY, 2,408,284

A Riu-USE` laoljlv Fluednc. l, 19444 '3 sheets-sneer 3' WKM. l MQ N aww m m @ma n T@ w, kN N N Il n S uw wy my N1 Huur n w l I l: C NRDRRP ,c mw E mw s N Il Il .010 Nw mm. Nm wm. [Z m ihm Patented Sept. 24, 1946l William C. Anthony, Streator, Ill.,

assignor to Anthony Company, Streator, Ill., acorporation of Illinois Application December 16, 1944, Serial No. 568,534

This invention relates to a refuse or garbage body and it has for one object to provide a packing means in said body for moving and packing he contents of the body while it remains in the ody.

Another object is to provide means for discharging the load positively from the body.

A further object is to provide a combined packing and discharging means.

A still further object is to provide automatic means for preventing excess loading of the packing means duringl packing and for causing additional pressure or loading to be exerted by the packing means during unloading or discharging.

Another object is to provide a refuse or garbage body so arranged that it may pack its contents adequately, that it may discharge the contents positively and t produce a structure having these purposes and objects with a minimum over-all height.

A still further object is to accomplish the results indicated in connection with a body which is not to be tipped bodily. v

Other objects` will appear from time to time the course of the specification and claims. The invention is illustrated more or less diagrammatically in the accompanying drawings, wherein: Y

Figure 1 is a longitudinal vertical section through one form of the device, with parts omitted;

Figure 2 is a rear end View, and parts broken away;

Figure 3 is a sectional plan view of the propolling mechanism on an enlarged scale, taken at line 3 3 of Figure 1;

Figure 4 is a vertical sectional detail on an enlarged scale of one end of the propelling mechanism, taken at line 4-4 of Figure 3; and

Figure 5 is a sectional view through the safety device.

Like parts are indicated by like symbols throughout the specification and drawings.

As shown, the body is mounted on a vehicle which will ordinarily be an automotive vehicle such as a motor truck, although itmight be mounted on a trailer or other vehicle. The mechanism is operated hydraulically and for that reason there shouldbe associated with the vehicle in some manner a means for driving a pump which circulates the iiuid for operating the hydraulic mechanism. Only so much of the vehicle is shown as to indicate the location of the body. Thus the vehicle may include frame members I supported with parts omitted 22 Claims. (Cl. 214-67) rby wheels 2.

manner with the vehicle to drive a shaft 3 by An engine is associated in some means of which a pump 4 is driven. The pump circulates pressure iuid to operate the mechaf nism. The body is preferably formed with framesv or sills 5 which may include transverse rmembers 6. Ordinarily the chassis frame will include one or more transverse members 1.

As indicated in Figure 2, the body is preferablyl provided with a central portion somewhatv lower than the side portions. Any suitable form of enclosing or encasing means may be used for theV body. The lower portion is defined by walls 8, 8, which are provided with any desiredY form of bracing and has a bottom plate member 8a. The

body is expanded outwardly above the wheels as at 9 and is provided with upwardly extending sides IIJ which may curve inward1yas at II, II.V

The walls or top members II are not continuous and provide a longitudinal slot or opening I2 through which thel mechanism to be described below may extend. Preferably one or more openings are left in the side ofthe body walls, and

these are provided with movable covers I3. Iny the particular form here shown, the covers slide.-

They might be hinged or bodily removable. When the members I3 are open, they permit theintroduction of material into the body. y

At its rear end the body is preferably open and about the rear end opening a reinforcing frame I4 may be provided. A gate or door I5Vis hinged, as at I6, at its upper end, although other forms of'gates might be used. A latch means I 'l is provided for holding the door closed and members I8 and I 9n1ay be provided for holding thedoor in the open position. i s

Means are provided for moving 'the contents of the body rearwardly as the body is gradually filled and for packing the contents to some degree as it moves rearwardly. These means include a blade 2B which, as shown in Figure 2, is prefer-`v The means for moving the'blade will now be` described. Along the top of the body and placed oppositely of the slot or opening I2 is a pair of channel members 23, 23. A dolly or truck Lis mounted to run in the channels 23 and comprises side members 24, 24 and transverse mem- .bers 25. The dolly side members 24 may be of angular cross section as shown, particularly in Figure 2. Upon each end of each of the dolly transverse members 25 is mounted a roller 26. As shown in Figure 3 these rollers are not flanged. Additional pairs of rollers 2? are also carried on the dolly. They are mounted brackets 28 as shown particularly in Figure As shown the brackets are secured to the side frame members 24 and to the transverse or cross members 25 of the dolly.

Extending upwardly from each of the side frame members 2t is a bracket 29. These brackets receive the propelling cables and the cables are preferably joined to them by adjustable means which will be described below.

Fixed upon suitable supports Ypreferably along the top of the body and above the opening l2 is an hydraulic cylinder 3G. Positioned for reciprocation within the cylinder is a piston 3l. From the right hand face of the piston 3l as shown in Figures 1 and 3- is a piston rod 33. Extending from the left hand side of the piston 3l in Figures 2 and 3 is a piston rod 32. The members 32 and k33 might be separate piston rods both secured to the piston or one continuous piston rod might be supplied and the piston would in that case be xed to this piston rod. Fixed to the free end of the piston rod 32 is a cross head 34. In the cross head is mounted a pair of sheaves 35, 35. Fixed also to the cross head at or adjacent each side is a cable. rI'hus a cable 35 is xed by a connector 31 to one end of the cross head 34. This cable 3S extends about a sheave 38 which is carried by a bracket 39 secured to the cylinder 3d. It passes thence about the sheave 35 and is connected to the bracket 29 by an adjustable connector ills. Correspondingly a cable il is xed by a connector 42 to the opposite end of the cross head 34. lt passes about a sheave 43 carried upon a bracket 44 from the cylinder E!! and thence it passes about the sheave 35 and is joined to one of the brackets 29 by an adjustable connector 45.

At the opposite end of the assembly a second cross head 46 is mounted upon the piston rod 33 and a pair of sheaves il is mounted for rotation in the cross head. A cable 48 is fastened to one of the brackets 29 by an adjustable connector G9. It passes about the sheave 41 and about a sheave 50 mounted on brackets 5l from the cylinder 3i and rit is fastened to the cross head Mi by a connector 52. The corresponding cable 53 is secured to the opposite bracket 29 by an adjustable connector 54. It passes about one of the sheaves 4'! about a sheave 55 carried in brackets 56 which are secured to the cylinder 3B and at its end it is secured to the cross head 46 by a connector 5l'.

Means are provided for positively moving the piston in either direction and thus the piston is driven positively to the right or to the left as shown in Figures l and 3 and carries with it the dolly and the blade which is fastened to the dolly. As shown particularly in Figure l the blade stiffeners 2l and 22 are secured to the dolly and hence move with it and carry the blade 20 with them.

As above mentioned the purpose of the blade and the means for moving it is to convey the load toward the rear end of the body during loading and finally discharge the load during emptying. One end which is ordinarily the forward end of the body is Closed by a plate 58 which may have a forwardly directed portion as shown in Figure 1.

Pressure fluid is supplied to the cylinder Bil by the pump 4 which is driven from the shaft 3' from the vehicle engine or any suitable source of power. A control member 60 is connected to the pump 4. Leading from the member 6I) is a conduit which carries high pressure fluid to a safety device indicated generally in Figure 1 by the numeral b2 and shown in detail in Figure 5. As there shown the member comprises a valve housing having an inlet connection E3 through which high pressure fluid enters the chamber 54. From this chamber a passage leads to a ball check valve 5 which is provided with an adjustable spring $1 which tends to hold the ball on its seat but permits it to yield upon the occurrence of predetermined pressure. Leading from the chamber 64 is a second passage 5B closed a ball check valve 59 which is held on its seat by an adjustable spring lil which is arranged to yield upon the occurrence of a predetermined degree of pressure. Each of the passages 55 and ES communicates with a chamber "il 'which is provided with an outlet conduit 'l2 through which low pressure fluid passes, and to which al return conduit '13 is secured to carry low pressure iluid back to the member bil.

Positioned within the housing 52 is a piston valve which includes a shaft or rod 'I4 one end of which projects outwardly from the housing E2 as shown in Figure 5. At its outer end the rod is in Contact with a spring 15 which tends to force the valve outwardly from the full line position of Figure 5 to the dotted line position of that figure. The valve is provided also with two enlargements 'i6 and 'll'. When the valve is in the inner position as shown in full line in Figure 5 the valve portion 'l1 blocks the passage 68 and thus only the passage S5 is open. When the valve moves to the dotted line position of Figure 5 under the influence of the spring 'i5 the valve portion 'F5 blocks the passage 65 and the valve portion "5l is moved out oi the passage 68 and opens that for the movement of high pressure uid.

When the gate l5 is closed as shown in Figure l the valve shaft or rod 14 is contacted by the gate and is held in the closed or full line position of Figure 5. When the gate is open the spring 'F5 is free to move the valve t0 the dotted line position of Figure 5.

High pressure fluid is delivered from the pump to the member 6B and passes through that member and through a conduit 18 to a valve housing 19. From that housing two conduits 3G, 8l lead to the cylinder 3E). One conduit communicates with one end of the cylinder and the opposite conduit communicates with the other end of the cylinder. Valve means not shown are contained in the housing 19. By this valve means pressure fluid is directed, when desired, to one end of the cylinder 3o or to the other and thus serves to move the piston correspondingly to one end of the cylinder or the other. Particular details of the valve means form no essential part of the invention and are not illustrated in full, Any suitable form of valve mechanism may be positioned within the valve housing 1S. In general, these means will of course provide for directing iluid pressure to the cylinder 3D, when desired, to either end of the cylinder and ior permitting return of iiuid from either end of the cylinder. A discharge passage 19a is provided to carry uid from the valve housing 1S to the sump 18h.

Attention has been called to the fact that one degree of pressure is effective on the means for moving the blade 2U when the tail gate is closed terial will have been accumulated and .packed under the low'pressure and a higher pressure may be required to discharge it.

Attention has also been called to the fact that v the central portion of the body is lower than the remainder of the bottom of the body. One pure pose for this is to provide a body which is as 'low as possible. By using a low body a low loading height is possible and this simplifies the use of the body and by utilizing the space within the body or between the frame member the body bottom is approximately on a level with the' chassis top and the space between the wheels is thus used. Hence the body of a. given capacity can be made with a lower overall height in this manner than would otherwise be possible.

VThe means for driving the blade I2 hasbeen suspended from the top of the body and during packing when the side door or doors I3 are closed the slot in the top of the body is the only opening in the body. The material in the body as the body is filled and packed will not be crowded through the' slot in the roof. The operator will Watch the operation of the body and will not ll it beyond the point at which the level of material is below the slot in thereof. One advantage of this construction is that there are no slots, curves or openings in the lower portion of the body intov which contents .of the body may penetrate or leak. Where the packing means or the means for moving the blade such asthe member I2 or some other packing blade are supported or carried or moved from below, the' contents of the body will inevitably penetrate into the track moving means or openings through which they extend and will inevitably cause jammingand breakage or other unsatisfactory operation.

These defects will be avoided by having a body which is entirely closed during packing except at the top where theopening through which the blade moving means penetrate is above the level of the top of the load. i

It will be realized that, whereas, I have described and illustrated a practical and operative device, nevertheless many changes may be made in the size, shape, number and disposition of parts without departing from vthe spirit of my invention. I therefore wish my description and drawings to be taken as in a broad sense illustrative or diagrammatic, rather than as limiting me to my precise showing, Y

The use and operation of follows:

If it be assumed that the body is mounted on a vehicle as shown and if an hydraulic system is connected as shown the valve in the housing I9 will ordinarily be adjusted to introduce 4pressure to the left hand end of the cylinder 30 to move the piston 3| from the position in Figure 1 to the right hand end of the piston. yThis movement of the piston will through the cable assembly shown carry the dolly to the right of the body and correspondingly carry the blade to thevforward end my Vinvention are as Y of the'body. That is :to say .to the right :from the'j:

positionof Figure 1. During this lstage of the operationthe door or gate I5 will be closedvand latched in position. The body is nowimoved to' some point where material is to be introduced into it and 'one orthe other ofthe door members I3 Will be moved to permit material Yto be introduced into the body. When the material is inthe body the door I3 is preferably closed, the pumpis driven, the valve in the housing 'I9 is vadjusted to introduce pressure'iluid through theconduit 80 and the piston is carried from .the right hand'end of the cylinder to the position shown in Figure 1 thus carrying the blade20 and Aconveying the contents of the body toward the rear. The contents will be packed tofsome degree.l The degree of packing will depend upon the-adjustment of the ball check valves 66 and 69. Ordinarily the spring of thecheck valve 66 which is in operation when the rear gate I5 is closed will be Set to yield at a pressure sufficiently low to prevent breakage or damaging of any of its parts for example 400 pounds perfsquare inch. Should that pressurebe exceeded the ball check valve (i6-will open and high pressure lluid Will thenipass di rectly back through the conduit 13 and the piston movement will stop because of this action.

After the load has been moved to the rear an-d packedv as -aboverdescribed the valve in the housing 'I9 Will be reversed and pressure fluid will be introduced through the conduit 8| and the piston' Will be returned to the right carrying with it the blade which moves thus to its initial position.

'I'he parts will then remain static until further material is introduced into the body. Ordinarily every time material is introduced into the body the blade will be moved to the rear and return to the forward end. i

When the body is full or when it has received l all the material which it is to receive at a given time or any given cycle of operations it will be moved or driven to a point of discharge. The

rear gate I5 will be unlatched and opened andv this permits the piston 'I4 to be moved by the -spring 'I5-to the dotted line position of Figure 5 and thus through the passage and opening the passage 68. With the parts in this positionA the pump will be driven and the valve within the housing 'I9v will be set to direct pressure fluid through the conduit `to the right hand side of the piston 3|. 'I'he latter will be moved to the rear to carry the load to the rear and to discharge it. Since at this time the rear gate I5 is open the likelihood of breakage or damage to the blade or its driving mechanism is reduced because the Y body being open permits discharge of the load..

In that position high pressure fluid passes into the passage 68 yand should it exceed the pressure at which the springr10 is set to permit yielding of the ball check valve 69 the ball will be 'unseated and fluid will pass backward through the outlet conduit 13 to the housing 60 and this will reduce the pressure of fluid flowing to the cylinder suiliciently to preventmovement of the piston and thus to prevent breakage of parts. Should the condition which has caused the pressure to rise be removed the pressure may rise sufl ficiently to permit the piston to move again in the direction in which it hasbeen moving and thus to continue the movement of the blade 20.'

In general the reason for the safety device arises from the fact that sometimes extremely bulky or hard material may be put into the body. When that occurs it may be very difcult to move the blade and should no safety device be present the parts might berbroken. The safety devicek with the `adjustable springs 61 and 10 however allow the assembly to beset so that should the blade not be moving freely enough'one or another of the ball check valves will be unseatedand the blade and its carrying mechanism Lcannot be further kmoved and hence breaking and damaging is prevented. If the pressure does not. exceed that for which the springs are set to permit yielding that portion 'of the system which comprises the conduits leading from the housing 6B to the safety device housing 52 will merely contain fluid which will in effect be static but subject to the pressure on the pressure side of the piston. Fluid only iiows through the safety device when pressure rises to a point to cause unseating of one or another of the ball check valves.

l. claim:

1. In combination in a refuse body, means de:-

fining a refuse receiving container, said container being closed except along a restrictedlongitudinally disposed area at its top and at its rear, unitary means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are 'substantially those of the cross section of the interior of said body and means for wholly supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body.

2. lIn combinationin a refuse body, means de fining a 4refuse receiving container, Isaid means being closed except along a Vrestricted area at its top and at its rear, a gate movably mounted in the rear for closing the same and means vfor latching said gate closed, unitary rigid means for packing material in said body and for discharging it therefrom,` said means including a blade Whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth Within the `body throughout substantially the entire length thereof, said means being located Wholly outside of the body.

3. In combination in a refuse body, means dening a refuse receiving container, Isaid means being closed except along a restricted area at its top and at its rear, unitary means for packing material in said body and for discharging it therefrom, said meansrincluding a blade Whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, and comprising a hydraulic piston and cylinder assembly positioned above and adjacent the open ing in the top of said body.

4. In combination in a refuse body, means dening a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for supporting said blade Wholly from above and for moving said blade back and forth Within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, and comprising tracks positioned above and along the opening in the top of Isaid body and a dolly mounted to move along said body.

5. ,In combination in a refuse body, means 'deiining a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, means for packing material in said body and for discharging it therefrom, said means including a blade within said body and means for supporting said blade from above and for moving said blade back and forth within the body throughout substantiallyY the entire lengththereof, said means being located wholly outside of the body, and comprising tracks positioned above and along the opening in the top of said body and a dolly mounted to move along said body, said blade being supported wholly from said dolly.

6. In combination in a refuse body, means delining a refuse receiving container, 'said means being closed except along a restricted area at its top and at its rear, means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, and comprising tracks positioned above and along the opening in the top of said body and a dolly mounted to move along said body, said blade being `supported wholly from said dolly and a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the top of said body, connections from said piston to said dolly Wherelylmovement of the piston is effective to move the 7. In combination in a refuse body, means defining a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, and comprising tracks positioned above and along the opening in the top of said body and a dolly mounted to move along said body, said blade being supported wholly from said dolly and a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the topr of said body, iiexible connections from said piston to said dolly whereby movement of the piston is effective to move the dolly.

8. In combination in a refuse body, means delining a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, unitary means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, and comprising a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the top of said body and means for supplying pressure fluid to said cylinder.

9. In combination in a refuse body, means dening a refuse receiving container, said means 9. being closed except along a restricted area at its top and at its rear, unitary means for packing material in said body and for discharging it therefrom, said means including a, blade Whose area and shape are substantially those of the cross section of the interior of said body and means for supporting and for moving said blade back and forth within the body throughout substantially the .entire length thereof, said means being locatedwhollyoutside of the body, and comprising a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the ,top of said bod-y and means for supplying pressure fluid to said :cylinder and means for directing said fluid to one or the other of the ends of said cylinder selectively to move the piston positively in either direction.

10. In combination in a refuse body, means dening a. refuse receiving container, said means being closed except along a restricted area at its top and at its rear, agate movably mounted in the rear for closing the same vand means for latching said gate closed, means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for moving said blade back and forth within the body throughout, substantially the entire length thereof, said means being located wholly outside of the body, and including a hydraulic cylinder, and a safety device positioned in circuit with said fluidu supplying means, means in said safety device for by-passing pressure fluid away from said cylinder, said means including a plurality of Vreleases-and a controlling member therefor, said control member being actuated by said door when the` latter is closed and actuated by a spring biased to move it outwardly when the door is open,said releases being set to yield at different pressure, said control when the door is closed b eingeffectiveto direct pressure fluid to the release which isset toyield at the lowest pressure and `when the door is open to direct pressure 12. In combination in a refuse body, means de 10 of the interior of said body and means for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body, a dolly mounted to move along said body,

15 said blade being supported wholly from said dolly and a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the top ofsaid body and a safety device positioned in circuit with said fluid supplying means, means 2O in said safety device for by-passing pressure fluid away from said cylinder, `said means including a plurality lof releases and a controlling member therefor, said control member being actuated by said door when the latter is Vclosed and actuated by a spring biased vto move it outwardly when the door is open, said releases being set to yield at different pressure, said control when the door is closed being effective to direct pressure fluid to the release which is set to yield at the lowest pressure and when the door is open to direct pressure fluid tothe release which is set to yield at the higher pressure. l Y

13. In combination in a refuse body, means defining a refuse receiving container, said means being closed except alongla restricted area at itstop Yand at its rear, a gate movably mounted in the rear for closing the same and means for latching said gate closed, means for packing materialin said body and for discharging it therefrom, said means including a blade whose area and `.shape are substantially those of the cross section ofthe interior of said body and means for moving said blade back and forth Within they body throughout substantially the entire length fluid ,to the release whichis set to yield at the thereof,* said means being located Wholly outside higher pressure. I

[11.,In combination in a refuse body, means defining. a refuse receiving container, said Ymeans being v closed except along a restricted area at its of the body and comprising tracks positioned above and along the opening in the top of said body, a dolly mounted to move along said body, said blade being supported wholly from said dolly topv and atgits rear,. a gate'mOVablymOllIlted in 50 and a hydraulic piston and cylinder assembly the rear for closing the same and means for-latch,-

ing said gate closed-,'means for packing material infsaid body andfor discharging it' therefrom,

said; means including na blade whose area and shape are substantially those of the cross section of 'the interior of said body and means for moving said blade back and forth Within the body throughout substantially the entire length thereof; said means beinglocated Wholly outside of the body,l and a safety deviceY positioned in circuit Withsaiduid supplying means, means in said 6 safety-device for by-passing pressurev fluid away from said cylinder, said means including a, plu- .adjacent the opening in the V being closed except along a restricted area at its top andY at its rear, a gate `movably mounted in the rearfor closing the same and means for latching said gate closed, means for packing material in vsaid body and. for v4discharging it therefrom, 0 said means including a blade whose area and shape are substantially those of the cross section of the linterior of said body and means for moving saidblade back and forth Within the body throughoutsubstantially the entire length there-` of, saidv means being located Wholly outside of the body and comprising tracks-positioned aboveand along thevopening in the top of said body, a dollymounted to move along said body,r said bladefbeing supported whollyV from said dolly and a yhydraulic piston andv cylinder assembly positioned-above and adjacent the opening in the top of said body, anda safety devicev positioned in circuitwith said fluid supplying means, means in said safety devicevfor by-passing pressure fluid awayl from said cylinder, said means including a plurality of releases and a controlling member therefor, said control member being actuated in one direction by said door when the latter is closed and actuated in another direction by a spring biased to move it outwardly when the door is open, said releases being set to yield at dierent pressure, said control when the door is closed being effective to direct pressure fluid to the release which is set to yield at the lowest pressure and when the door is open to direct pressure fluid to the release which is set to yield at the higher pressure.

l5. In combination in a refuse body, means defining a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, a gate movably mounted in the rear for closing the same and means for latching said gate closed, means for packing material in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for moving said blade back and forth within the body throughout substantially the entire length thereof, saidmeans being located wholly outside of the body and comprising tracks positioned above and along the opening in the top of said body, a dolly mounted to move along said body, said blade being supported wholly from said dolly and a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the top of said body, connections from said piston to said dolly whereby movement of the piston is effective to move the dolly and means for supplying pressure fluid to said cylinder anda safety device positioned in circuit with said fluid supplying means, means in said safety device for bypassing pressure fluid away from said cylinder, said means including a plurality of releases and a controlling member therefor, said control member being actuated in one direction by said door when the latter is closed and actuated in another direction by a spring biased to move it outwardly when the door is open, said releases being set to yield at different pressure, said control when the door is closed being effective to direct pressure fluid to the release'which is set to yield at the` lowest pressure and when the door is open to directpressure fluid to the release which is set to yield at the higher pressure.

16. In combination in a refuse body, means dening a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, a gate movably mounted-in the rear for closing the same and means for latching said gate closed, means for packing materialin said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said body and means for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located Wholly outside of the body and comprising tracks positioned above and along the opening in the top of said body, a dolly mounted to move along said body, said blade being supported wholly from said dolly and aihydraulic piston and cylinder assembly positioned above and adjacent the opening in the top of said body, flexible connections from said piston to said dolly whereby movement ofthe piston is effective to move the dolly and means for supplying pressure fluid to said cylinder, means for directingsaid fluid to one or the other ofthe ends of said cylinder selectively to move the piston positively in either direction and a safety device positioned in circuit with saidy fluid supplying means, means in said safety device for by-passing pressurer fluid away from saidy cylinder, said means including a plurality ofreleases and a controlling member therefor, said control member being actuated by said door when the latter is closed and actuated by a spring` biased to move it outwardly when the door is open, said releases being set to yield at different pressure, said control when the door is closed being effective to direct pressure fluid tor the release which is set to yield at the lowest pressure and when the door is open to direct pressure fluid to the release which is set to yield at the-higher pressure.

l7. In combination in a refuse body, means defining a refuse receiving container, said means being closed except along a restricted area at its top and at 'its rear, a gate movably mounted in the rear for closing the same and means for latching said gate closed, means for packingfmaterial in said body and for discharging it therefrom, said means including a blade whose area and shape are substantially those of the cross section of the interior of said bodyA andJ means for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located wholly outside of the body and comprising tracks positioned above and along the opening in the top of saidbody, a dolly mounted to move along said body, said blade being supported wholly from saiddolly and a hydraulic piston and cylinder assembly positioned above and adjacent the opening in the top of said body, flexible connections from said piston to said dolly whereby movement of they piston is effective to move the dolly and means for supplying pressure fluid to said cylinder and means for directing saidl fluid to one or the other ofthe ends of-said ,cylinder selectively to move the piston positively in either direction and a safety device positioned in circuit With said fluid supplying means, means in said safety device for by-passing pressure fluid away from saidcylinder, said means including a plurality ofreleases and a controlling` member therefor, said control member being actuated in one direction` by said door when the latter is closed and actuatedv in another direction by a, spring biased'to move it outwardlywhen the door is open, said releases being- Set to yield atA different pressure, said-controlwhenthe door-is closed being effective to direct pressure fluidlto. the release which is set to yield at the-lowest lpr-essure and when the door isopento direct pressure fluid to the release which is set to, yield at the higher pressure.

18. In combination in a refuse body, means defining a refuse receiving container, said means beingY closed except along a restricted longitudinally disposedr area. at its top and atl its rear, a gate movably`v mounted in the rear fory closing ther same and means forl latching Said gate closed, unitary, rigid means for` packing material in saidbody and-- for discharging it, therefrom, said means including a blade, supported wholly from above, whose area and shape are substantially those of the cross section of the interior of said body and means for moving said;

blade back and forth within the body throughout substantially the entire length thereof, saidV means being locatedwholly outside of ther body, andr including a hydraulic cylinder, and a safetyA device positioned in Circuit with said uuid-'Sup- .cated wholly outside of the I3 plying means, means in said safety device for by-passing pressure uid away from said cylinder.

19. In combination in a refuse body, means de` ning a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, a gate movably mounted in the rear for closing the same and means for latching said gate closed, unitary, rigid means for packing material in said body and for discharging it therefrom, said means including a blade within said body and means for whollygsupporting and for moving said blade back and forth within the body throughout substantially th'e entire length thereof, said means being lobody, and including a hydraulic cylinder, and a safety device positioned in circuit with said iluid supplying means, means in said safety device for moderately packing of the load.

20. In combination in a refuse body, means defining a refuse receiving container, said means being closed except alonga restricted area at its top and at its rear, a gate movably mounted in the rear for closing the same and means for latching said gate closed, unitary, rigid means for packing material in said body and for discharging it therefrom, said means including a blade wholly Within said body and means for supporting and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being located above and wholly outside of the body, and including a hydraulic cylinder, and a safety device positioned in circuit with said iluid supplying means, means in said safety device for by-passing pressure uid away from said cylinder, said means including a plurality of releases and a controlling member therefor.

21. In combination in a refuse body, means defining a refuse receiving container, said means being closed except along a restricted area at its top and at its rear, means for vpacking material in said body and for discharging it therefrom, said means including a blade within said body and means for supporting said blade from above and for moving said blade back and forth within the body throughout substantially the entire length thereof, said means being locatedA wholly above th'e refuse zone, and comprisingtracks positioned above and along the opening in the top of said body and a dolly mounted to move along said body, said blade being supported from said dolly.

22. In combination in a refuse body, means dening a generally closed refuse container, said container provided with a discharging opening at its rear and with a separate iilling opening, and a unitary member for packing material in said body andrfor discharging,ittherefrom, said member including a blade within said body and means for supporting said blade from above and for moving it back and forth within the container throughout substantially the entire length of said container, said supporting and moving means being supported by the container and positioned wholly above the refuse zone, and comprising tracks supported along the upper part of said body, and a dolly mounted to move along said body, said blade being supported from said dolly.

WILLIAM C. ANTHONY. 

